Website , app se internet speed kaise check kare

Friends jab tak toh hamara internet perfectly chalta hai tab tak toh sab kuch theek rahta hai lekin jab kisi wajah se hamari internet speed low ho jati hai toh aksar hamare man me aata hai ki aakhir kya huwa hamara internet slow kyun ho gaya hamare internet ki speed kitni hogi .

Although jio ke aane se har koi ab 4g speed me internet use kar raha hai bhale hi jio sim card na use karta ho lekin